#define _CRT_SECURE_NO_WARNINGS 1;
#include <stdio.h>
int main()
{
	int a, b, c;
	scanf("a=%d,b=%d", &a, &b);
	c = a;
	a = b;
	b = c;
	printf("a=%d,b=%d", a, b);
	return 0;
}